Twenty years ago 46 of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science A recent survey found that 220 of 750 parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science Do parents feel differently today than they did twenty years ago Use the 0 1 level of significance Because npo 1 Po 10 the sample size is Round to one decimal place as needed 5 of the population size and the sample satisfied the requirements for testing the hypothesis